AirHint found the following cheapest return flights from Cologne (CGN) to Newark (EWR) in December 2025 (see full year).

Return flights

31 Dec - 06 Jan	Lufthansa
03 Dec - 08 Dec	Austrian Airlines
02 Dec - 08 Dec	Austrian Airlines
05 Dec - 11 Dec	Austrian Airlines
04 Dec - 08 Dec	United
06 Dec - 13 Dec	British Airways
09 Dec - 14 Dec	British Airways
10 Dec - 15 Dec	British Airways
09 Dec - 15 Dec	British Airways
11 Dec - 15 Dec	United
02 Dec - 07 Dec	Lufthansa
23 Dec - 06 Jan	Lufthansa
22 Dec - 11 Jan	Ryanair
26 Dec - 05 Jan	United
25 Dec - 04 Jan	Lufthansa
24 Dec - 02 Jan	British Airways
15 Dec - 03 Jan	Lufthansa
20 Dec - 05 Jan	British Airways
27 Dec - 05 Jan	British Airways
22 Dec - 04 Jan	Ryanair

Also check the deals for one-way flights from Cologne to Newark in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Cologne to Newark in December from $468

Return flights